#include <stdlib.h>
#include <string.h>
#include <math.h>
+#include <ctype.h>
#include <errno.h>
+#include <limits.h>
#include "demo.h"
#include "screen.h"
+#include "3dgfx.h"
+#include "audio.h"
+#include "cfgopt.h"
+#include "console.h"
+#include "tinyfps.h"
+#include "util.h"
+
+#define MOUSE_TIMEOUT 1200
+
+#define GUARD_XPAD 0
+#define GUARD_YPAD 64
+
+int fb_width, fb_height, fb_bpp, fb_scan_size;
+float fb_aspect;
+long fb_size, fb_buf_size;
+uint16_t *fb_pixels, *vmem;
+uint16_t *fb_buf;
-int fb_width = 320;
-int fb_height = 240;
-int fb_bpp = 16;
-void *fb_pixels;
unsigned long time_msec;
+int mouse_x, mouse_y;
+unsigned int mouse_bmask;
+
+static struct au_module *mod;
+
+float sball_matrix[] = {1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1};
+
+static unsigned long last_mouse_move;
+static int prev_mx, prev_my, mouse_dx, mouse_dy;
+static unsigned int bmask_diff, prev_bmask;
static unsigned long nframes;
+static int con_active;
+
+extern uint16_t loading_pixels[]; /* data.asm */
int demo_init(int argc, char **argv)
{
+ if(demo_init1(argc, argv) == -1) {
+ return -1;
+ }
+ if(demo_init2() == -1) {
+ return -1;
+ }
+ return 0;
+}
+
+static struct screen *scr;
+
+int demo_init1(int argc, char **argv)
+{
+ char *env;
+
+ if(load_config("demo.cfg") == -1) {
+ return -1;
+ }
+ if((env = getenv("START_SCR"))) {
+ opt.start_scr = env;
+ }
+ if(parse_args(argc, argv) == -1) {
+ return -1;
+ }
+ return 0;
+}
+
+int demo_init2(void)
+{
+ con_init();
+ initFpsFonts();
+
+ if(g3d_init() == -1) {
+ return -1;
+ }
+ g3d_framebuffer(FB_WIDTH, FB_HEIGHT, fb_pixels);
+
+ if(opt.music) {
+ if(!(mod = au_load_module("data/test.mod"))) {
+ return -1;
+ }
+ }
+
if(scr_init() == -1) {
return -1;
}
- scr_change(scr_lookup("tunnel"), 4000);
+ if(opt.start_scr) {
+ scr = scr_lookup(opt.start_scr);
+ } else {
+ scr = scr_screen(0);
+ }
+
+ if(!scr || scr_change(scr, 4000) == -1) {
+ fprintf(stderr, "screen %s not found\n", opt.start_scr ? opt.start_scr : "0");
+ return -1;
+ }
+
+ /* clear the framebuffer at least once */
+ memset(fb_pixels, 0, FB_WIDTH * FB_HEIGHT * FB_BPP / CHAR_BIT);
+
+ if(opt.music) {
+ au_play_module(mod);
+ }
return 0;
}
void demo_cleanup(void)
{
+ if(opt.music) {
+ au_free_module(mod);
+ }
scr_shutdown();
+ g3d_destroy();
if(time_msec) {
float fps = (float)nframes / ((float)time_msec / 1000.0f);
}
}
+int demo_resizefb(int width, int height, int bpp)
+{
+ int newsz, new_scansz;
+
+ if(!width || !height || !bpp) {
+ free(fb_buf);
+ fb_buf = fb_pixels = 0;
+ fb_size = fb_buf_size = fb_scan_size = 0;
+ fb_width = fb_height = fb_bpp = 0;
+ return 0;
+ }
+
+ new_scansz = ((width + GUARD_XPAD * 2) * bpp + 7) / 8;
+ newsz = (height + GUARD_YPAD * 2) * new_scansz;
+
+ if(!fb_buf || newsz > fb_buf_size) {
+ void *tmp = malloc(newsz);
+ if(!tmp) return -1;
+
+ free(fb_buf);
+ fb_buf = tmp;
+ fb_buf_size = newsz;
+ }
+
+ fb_scan_size = new_scansz;
+ fb_pixels = (uint16_t*)((char*)fb_buf + GUARD_YPAD * fb_scan_size + (GUARD_XPAD * bpp + 7) / 8);
+ fb_width = width;
+ fb_height = height;
+ fb_bpp = bpp;
+ fb_size = fb_scan_size * fb_height;
+
+ fb_aspect = (float)fb_width / (float)fb_height;
+
+ return 0;
+}
+
+
void demo_draw(void)
{
+ if(opt.mouse) {
+ mouse_dx = mouse_x - prev_mx;
+ mouse_dy = mouse_y - prev_my;
+ prev_mx = mouse_x;
+ prev_my = mouse_y;
+ bmask_diff = mouse_bmask ^ prev_bmask;
+ prev_bmask = mouse_bmask;
+ if(mouse_dx | mouse_dy) {
+ last_mouse_move = time_msec;
+ }
+ }
+
+ if(opt.music) {
+ au_update();
+ }
scr_update();
scr_draw();
++nframes;
}
-void demo_keyboard(int key, int state)
+/* called by swap_buffers just before the actual swap */
+void demo_post_draw(void *pixels)
+{
+ char buf[32];
+ if(opt.dbginfo) {
+ drawFps(pixels);
+ if(dbg_curscr_name) {
+ cs_dputs(pixels, dbg_curscr_name_pos, 240 - 16, dbg_curscr_name);
+ }
+ }
+
+ if(con_active) {
+ con_draw(pixels);
+ }
+
+ if(opt.mouse && time_msec - last_mouse_move < MOUSE_TIMEOUT) {
+ cs_mouseptr(pixels, mouse_x, mouse_y);
+ }
+}
+
+void cs_puts_font(cs_font_func csfont, int sz, void *fb, int x, int y, const char *str)
+{
+ while(*str) {
+ int c = *str++;
+
+ if(c > ' ' && c < 128) {
+ csfont(fb, x, y, c - ' ');
+ }
+ x += sz;
+ }
+}
+
+void change_screen(int idx)
+{
+ printf("change screen %d\n", idx);
+ scr_change(scr_screen(idx), 4000);
+}
+
+void demo_keyboard(int key, int press)
{
- if(state) {
+ int nscr;
+
+ if(press) {
switch(key) {
case 27:
- demo_quit();
- break;
+ if(con_active) {
+ con_stop();
+ con_active = 0;
+ } else {
+ demo_quit();
+ }
+ return;
+
+ case 127:
+ debug_break();
+ return;
+
+ case '`':
+ con_active = !con_active;
+ if(con_active) {
+ con_start();
+ } else {
+ con_stop();
+ }
+ return;
+
+ case '/':
+ if(!con_active) {
+ con_start();
+ con_active = con_input('/');
+ return;
+ }
default:
- break;
+ if(con_active) {
+ con_active = con_input(key);
+ return;
+ }
+
+ if(key >= '1' && key <= '9' && key <= '1' + scr_num_screens()) {
+ change_screen(key - '1');
+ return;
+ } else if(key == '0' && scr_num_screens() >= 10) {
+ change_screen(9);
+ return;
+ }
+ }
+
+ scr_keypress(key);
+ }
+}
+
+
+void mouse_orbit_update(float *theta, float *phi, float *dist)
+{
+ if(mouse_bmask) {
+ if(bmask_diff == 0) {
+
+ if(mouse_dx | mouse_dy) {
+ if(mouse_bmask & MOUSE_BN_LEFT) {
+ float p = *phi;
+ *theta += mouse_dx * 1.0;
+ p += mouse_dy * 1.0;
+
+ if(p < -90) p = -90;
+ if(p > 90) p = 90;
+ *phi = p;
+ }
+ if(mouse_bmask & MOUSE_BN_RIGHT) {
+ *dist += mouse_dy * 0.5;
+
+ if(*dist < 0) *dist = 0;
+ }
+ }
}
}
}